<template>
<view class="goods-list">
<view v-for="(item, i) in goodsList" :key="i" @click="gotoDetail(item)">
<!-- 为 my-goods 组件动态绑定 goods 属性的值 -->
<my-goods :goods="item"></my-goods>
</view>
</view>
</template>

<script>
	export default {
		data() {
			return {
				// 请求参数对象
				queryObj: {
				// 查询关键词
				query: '',
				// 商品分类Id
				cid: '',
				// 页码值
				pagenum: 1,
				// 每页显示多少条数据
				pagesize: 10
				},
				// 商品列表的数据
				goodsList: [],
				// 总数量，用来实现分页
				total: 0,
				isLoading:false
				// 默认的空图片
				//defaultPic:
				//'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
			};
		},
		onLoad(options) {
			this.queryObj.query = options.query || ''
			this.queryObj.cid = options.cid || ''
			this.getGoodsList()
		},
		methods: {
		// 获取商品列表数据的方法
		async getGoodsList(cb) {
		// 发起请求
		this.isLoading = true
		const { data: res } = await
		uni.$http.get('/api/public/v1/goods/search', this.queryObj)
		this.isLoading = false
		cb&&cb()
		if (res.meta.status !== 200) return uni.$showMsg()
		// 为数据赋值
		this.goodsList = [...this.goodsList,...res.message.goods]
		this.total = res.message.total
		},
		//跳转到商品详情页
		gotoDetail(item)
		{
			uni.navigateTo({
				url: '/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id,
			});
		}
		},
		// 触底的事件
		onReachBottom() {
			// 判断是否还有下一页数据
			if (this.queryObj.pagenum * this.queryObj.pagesize >= this.total)
			return uni.$showMsg('数据加载完毕！')
			if(this.isLoading) return
			this.queryObj.pagenum +=1;
			this.getGoodsList()
		},
		onPullDownRefresh() {
			this.queryObj.pagenum = 1,
			this.goodsList = [],
			this.isLoading = false,
			this.total = 0,
			this.getGoodsList(()=>uni.stopPullDownRefresh())
			
		}
	}
</script>

<style lang="scss">
.goods-item {
display: flex;
padding: 10px 5px;
border-bottom: 1px solid #f0f0f0;
.goods-item-left {
margin-right: 5px;
.goods-pic {
width: 100px;
height: 100px;
display: block;
}
}
.goods-item-right {
display: flex;
flex-direction: column;
justify-content: space-between;
.goods-name {
font-size: 13px;
}
.goods-price {
font-size: 16px;
color: #c00000;
}
}
}
</style>
